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External Parameters Affecting on the Photoluminescence of InAs Spherical Layer Quantum Dot

Journal of Applied Mathematics and Physics 2021年第10期9卷 2439-2446页

作者： marwan zuhair elias Biophysics Department Sciences College Mosul University Mosul Iraq

Spherical layer quantum dots (SLQDs) attract a great deal of importance, and have various optoelectronics applications due to their outstanding optical and electrical properties. The photoluminescence (PL) and the electroluminescence (EL) spectra of InAs (SLQDs) were investigated theoretically under the presence of external parameters (pressure, temperature, electric field). Existing of both the temperature and the applied electric field lead to a significant decrease in photoluminescence peak energy (red-shift), while an increase existed in presence of applied hydrostatic pressure (blue-shift). Also with increasing the quantum azimuthal number the photoluminescence peak energy increase. In addition, we found no effect on the band shape of the luminescence as a result of existing such parameters. The study indicates the importance of such parameters as fitting parameters for photoluminescence spectra.

关键词： Layer Quantum Dots Photoluminescence Electroluminescence Pressure-Temperature Dependence

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Hydro-Geoelectrical Investigation for the Potential of Underground Water Storage along the lower reaches of King Abdullah Canal-Deir Alla Area/Jordan

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Journal of Water Resource and Protection 2012年第7期4卷 545-559页

作者： Hani Al-Amoush elias Salameh marwan Al-Raggad Al al-Bayt University Mafraq Jordan Jordan University Amman Jordan

In this article the potential stoarativity of groundwater in the alluvial deposits along the King Abdullah Canal (KAC) in Deir Alla-Sulikhat area is studied. In this study geological, geoelectrical and Hydro-geochemical methods were used with the aim of storing some water of the Canal during water excess times in the underground to be extracted for use as drinking source for human during shortages in the Canal water and in emergency causes of Canal water pollution. The results show the existence of appropriate underground space in the alluvial deposits for water storage and that the water/ water and water/rock interactions are also be minimal and will not present and detriment to the different groundwater bodies. Implementing groundwater artificial recharge in the Jordan Valley area to create storage for King Abdullah Canal (KAC) water will enhance the drinking water supply during the dry season and it will also serve as a reserve for emergency causes, especially pollution accidents in King Abdullah Canal (KAC), such as those taking place almost every year.

关键词： Jordan Valley Geo-Electrical King Abdullah Canal (KAC)

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Hydro-Geoelectrical Investigation for the Potential of Underground Water Storage along the Lower Reaches of King Abdullah Canal—Deir Alla Area/Jordan

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Journal of Water Resource and Protection（水资源与保护） 2012年第7期

作者： Hani Al-Amoush elias Salameh marwan Al-Raggad

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